Meteorite NWA 13313 L3-6 BRECCIA CHONDRITE METEORITE 88 gram for Sale

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Meteorite NWA 13313 L3-6 BRECCIA CHONDRITE METEORITE 88 gram For Sale

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Meteorite NWA 13313 L3-6 BRECCIA CHONDRITE METEORITE 88 gram:
$528.00

NWA 13313 L3-6 BRECCIACHONDRITE METEORITEFOUND IN APRIL 2019IN MALI 🇲🇱88 GRAM
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YOU ARE BUYING A 100% GUARANTEED AUTHENTIC METEORITECOMBINED WITH A SIGNED CERTIFICATE OF AUTHENTICITY

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OFFICIAL CLASSIFICATION DATA SOURCE:
THE METEORITICAL SOCIETY
INTERNATIONAL SOCIETY FOR METEORITICS AND PLANETARY SCIENCE
LUNAR AND PLANETARY INSTITUTE
METEORITICAL BULLETIN DATABASENorthwest Africa 13313Basic informationName:Northwest Africa 13313
This is an OFFICIAL meteorite name.
Abbreviation:NWA 13313
Observed fall:No
Year found:2019
Country:Mali
Mass:987 is 1 of 62 approved meteorites classified as L3-6.
Comments:Approved 13 Jun 2020WriteupWriteup from MB 109:

Northwest Africa 13313(NWA 13313)

Mali

Purchased: 2019 Apr

Classification: Ordinary chondrite (L3-6)

History: Purchased by Mbark Arjdal in April 2019 from dealer in Timbuktu, Mali.

Petrography: (A. Irving,UWSand P. Carpenter,WUSL) Well-formed, fairly closely packed, relatively unequilibrated chondrules (apparent diameter 830±450 µm, N = 23), plus some equilibrated Type 6 clasts containing sparse chondrules, are set in a finer grained matrix containing kamacite, taenite, Ti-chromite, chlorapatite, merrillite and troilite. A large fine grained, igneous-textured clast (1.9 cm across) is composed of reversely zoned olivine microphenocrysts plus extremely fine grained interstitial quench products (with Ca pyroxene-like bulk composition).

Geochemistry: Olivine in chondrules (Fa25.6±5.6, range Fa22.7-36.9, Cr2O3< 0.03 wt.%, N = 6), low-Ca pyroxene (Fs21.6±3.1Wo1.3±0.1, range Fs19.9-26.2Wo1.2-1.4, N = 4), subcalcic augite (Fs6.0Wo36.3), augite (Fs6.9±0.1Wo45.8±0.5, range Fs6.8-7.0Wo46.1-45.4, N = 2), olivine in Type 5 clast (Fa25.1), olivine in fine grained igneous clast (core Fa23.0, rims 11.1-16.6; N = 3). Magnetic susceptibility log χ (× 10-9m3/kg) = 4.79.

Classification: Ordinary chondrite (L3-6 breccia).

Specimens: 29.2 g including one polished thin section atUWB; remainder with Mr. M. Arjdal.

Data from:
MB109
Table 0
Line 0:Place of purchase:Timbuktu, MaliDate:P 2019 AprMass (g):987Pieces:1Class:L3-6Shock stage:S2Weathering grade:W1/2Fayalite (mol%):25.6±5.6Ferrosilite (mol%):21.6±3.1Wollastonite (mol%):1.3±0.1Classifier:A. Irving, UWS, and P. Carpenter, WUSLType spec mass (g):29.2Type spec location:UWBMain mass:M. ArjdalComments:Work name Arj ZM 214; submitted by A. IrvingInstitutions
and collectionsUWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
Catalogs:References:Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:Find references in Google is 1 of 102 approved meteorites fromMali(plus 2 unapproved names)
Also see:This lists the most popular meteorites among people who looked up this meteorite.Revision
history:This lists important revisions made to data for this record.

\"Anordinary chondritefrom theL groupthat is a breccia of components ranging from petrologictype 3totype 6.\"

The highlighted words are defined as follows:

ordinary chondrite: A major class of chondrites, distinguished by sub-solar Mg/Si and refractory/Si ratios, oxygen isotope compositions that plot above the terrestrial fractionation line, and a large volume percentage of chondrules, with only 10-15 vol% fine-grained matrix.

L group: The low-iron (L) chemical group of ordinary chondrites, distinguished by their relatively low siderophile element content, moderate sized chondrules (~0.7 mm), and oxygen isotope compositions that intermediate between H and LL group ordinary chondrites.

type 3: Designates chondrites that are characterized by abundant chondrules, low degrees of aqueous alteration, and unequilibrated mineral assemblages. Many of the low-Ca pyroxene grains are monoclinic and exhibit polysynthetic twinning. The type 3 chondrites may be divided into subtypes ranging from 3.00 (least metamorphosed) to 3.9 (nearly metamorphosed to type 4 levels). If primary igneous glass occurs in the chondrules, it belongs to type 3.

type 6: Designates chondrites that have been metamorphosed under conditions sufficient to homogenize all mineral compositions, convert all low-Ca pyroxene to orthopyroxene, coarsen secondary phases such as feldspar to sizes ≥50 µm, and obliterate many chondrule outlines; no melting has occurred.